4820-01-057-4138

Find complete technical information, availability, and procurement data for: 4820-01-057-4138
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-057-4138

Item Name Code

05488

Assigment Date

03/12/1978 (48 years ago)

A valve having two or more ports with valve stem or pilot needle in a normally open or closed position. It is specifically designed to stop or start or change the flow of fluid by means of the magnetic action of an electric coil on a moveable core or plunger. The valve may be equipped with a manual opening or closing device. For items with three or more ports that utilize a reciprocating slide with recess areas which mate with ports in an integral or replaceable ported sleeve, see valve (1), linear, directional control. It may be inline or cartridge (manifold) design. Excludes:valve (1), butterfly.

disk flow control device, ship, ohio class ssn(trident) end item identification, spring disk loading method, 0.500 inches 1st end nominal pipe size accommodated, 150.0 fahrenheit single response maximum operating temp

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Nominal Pipe Size Accommodated: 0.500 inches 1st end
Flow Control Device: disk
Disk Loading Method: spring
Maximum Operating Temp: 150.0 fahrenheit single response
End Item Identification: ship, ohio class ssn(trident)
Connection Style: socket all ends
Valve Operation Method: automatic
Connection Type: unthreaded internal pipe all ends
Adjustable Pressure Range: +171.0 to 200.0 pounds per square inch
Maximum Operating Pressure: 400.0 pounds per square inch single response
Material: copper alloy body
Material: copper alloy flow control device
Material: nickel alloy seat
Material Document And Classification: astm 283-56 assn std single material response flow control device
Material Document And Classification: astm b164,class c assn std single material response seat
Material Document And Classification: qq-c-390,aloy d4/d/ fed spec single material response body
Media For Which Designed: water, fresh single response
Style Designator: angle

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
20-CS-169-171T200PSI	Safety Relief Valve

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 4820-01-057-4138?

The FSCG of the NSN 4820-01-057-4138 is 4820

Does the NSN 4820-01-057-4138 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-057-4138 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 4820-01-057-4138 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-057-4138 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 4820-01-057-4138 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Sun, Mar 12, 1978